Bale, J. King Johan: John Bale. Four morality plays.(1979).
Cita Chicago (17th ed.)Bale, John. "King Johan: John Bale." Four Morality Plays.(1979) .
Cita MLA (8th ed.)Bale, John. "King Johan: John Bale." Four Morality Plays.(1979), .
Atenció: Aquestes cites poden no estar 100% correctes.